The Archdiocese of Bar (Latin: Archidioecesis Antibarensis; Montenegrin: Барска надбискупија, romanized: Barska nadbiskupija; Albanian: Kryepeshkopata Katolike Romake e Tivarit) is a Latin Church diocese of the Catholic Church in Montenegro.

The Archbishopric was by the Pope's decree abolished some time after 1140, until it was restored by the Serbian medieval Nemanjić dynasty in 1199.The Archbishops regularly bore titles of "Primates of Serbia" (Primas Serviae), implemented as a permanent part of the title by Archbishop Stephen Tegliatti in 1475.

[4] In 1923, Traboin, Tuzi, Grude, and Klezna were added to the Archbishopric from the Roman Catholic Archdiocese of Shkodër.

In 1969, the territory of the municipalities of Plav, Gusinje, and Vojno Selo were added to the Archbishopric from the Roman Catholic Archdiocese of Skopje.

In 1571 when Ottomans captured Antivari the Catholic Church in border area and Roman Catholic Archdiocese of Bar began to collapse and main reasons for this is emigration of indigenous peoples, but also immigration of new ethnic and religious element, brought by the Ottomans.